Magnesium sulfate heptahydrate
SIGMA/63138 - BioUltra, ≥99.5% (KT)
Synonym: Epsom salts
CAS Number: 10034-99-8
Empirical Formula (Hill Notation): MgO4S · 7H2O
Molecular Weight: 246.47
EC Number: 231-298-2
MDL Number: MFCD00149785
Linear Formula: MgSO4 · 7H2O
Product Type: Chemical
| λ | 1 M in H2O |
| anion traces | chloride (Cl-): ≤5 mg/kg |
| assay | ≥99.5% (KT) |
| cation traces | Al: ≤5 mg/kg |
| As: ≤0.1 mg/kg | |
| Ba: ≤5 mg/kg | |
| Bi: ≤5 mg/kg | |
| Ca: ≤10 mg/kg | |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤1 mg/kg | |
| K: ≤10 mg/kg | |
| Li: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Mo: ≤5 mg/kg | |
| Na: ≤10 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Sr: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| grade | reagent grade |
| impurities | insoluble matter, passes filter test |
| ≤0.002% total nitrogen (N) | |
| InChI | 1S/Mg.H2O4S.7H2O/c;1-5(2, |
| InChI key | WRUGWIBCXHJTDG-UHFFFAOYSA |
| pH | 5.0-8.0 (25 °C, 1 M in H2O) |
| product line | BioUltra |
| Quality Level | 200  |
| SMILES string | O.O.O.O.O.O.O.[Mg++].[O-] |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| UV absorption | λ: 260 nm Amax: 0.010 |
| λ: 280 nm Amax: 0.010 | |
| vapor density | <0.01 (vs air) |
| vapor pressure | <0.1 mmHg ( 20 °C) |
| Application: |
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| Other Notes: | Component of Earle′s balanced salt solution; Component of Hanks′ balanced salt solution; Component of plant cell-culture media and of culture media for microorganisms.; Purification of CAP, catabolite gene activator; In the preparation of spheroplasts from E. coli K38 |
).| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.5% (KT) |
| UNSPSC | 12352302 |